John Deere 318 User Manual
Page 354

Å
NEUTRAL RETURN
CHECK
318 and 420; Lock
pedals together.
M36667 -UN-25JAN90
M36668 -UN-25JAN90
Move hydrostatic lever
to full forward or
reverse position.
Depress brake pedal(s).
LOOK: Hydrostatic
lever must move to
“STOP” position from
forward or reverse.
OK:
GO TO
Ö
NOT OK:
GO TO
1Ô
,
GROUP 15.
Ö
TRANSMISSION
DRIVE CHECK
Start and run engine at
fast idle. Operate
machine under no load
and then under load
conditions.
M36669 -UN-25JAN90
Move hydrostatic lever
from slow forward, to
full forward, to full
reverse.
LOOK: Machine must
move and increase
speed, slow down,
change direction and
increase speed as lever
is moved from full
forward to full reverse.
FEEL: Speed increase
must be smooth.
Transmission suction
line must not be
uncomfortable to touch.
OK:
GO TO
Ò
NOT OK:
Check
transmission oil level.
OIL LEVEL OK: GO TO
;
, GROUP 15.
Ò
SPEED REDUCTION
CHECK (318 AND
420)
Start engine and run at
half throttle.
M36669 -UN-25JAN90
M36667 -UN-25JAN90
Move hydrostatic lever to full forward position.
Depress right brake pedal.
LOOK: Hydrostatic lever must move to slow
forward position. Right wheel must stop; left
wheel must continue to turn.
MX,159025005,5 -19-20APR95
MX,159025005,6 -19-20APR95
MX,159025005,7 -19-25APR95
Power Train Checkout/Speed Reduction Check
TM1590 (17MAY95)
250-05-2
316, 318 & 420 Lawn and Garden Tractors
020895
250
05
2